740340737 has 6 divisors (see below), whose sum is σ = 742287858. Its totient is φ = 738398672.

The previous prime is 740340707. The next prime is 740340743. The reversal of 740340737 is 737043047.

It can be written as a sum of positive squares in only one way, i.e., 719097856 + 21242881 = 26816^2 + 4609^2 .

It is not a de Polignac number, because 740340737 - 2²⁰ = 739292161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740340697 and 740340706.

It is not an unprimeable number, because it can be changed into a prime (740340707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173453 + ... + 177669.

It is an arithmetic number, because the mean of its divisors is an integer number (123714643).

Almost surely, 2^740340737 is an apocalyptic number.

It is an amenable number.

740340737 is a deficient number, since it is larger than the sum of its proper divisors (1947121).

740340737 is an frugal number, since it uses more digits than its factorization.

740340737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055 (or 4636 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 35.

The square root of 740340737 is about 27209.2031673109. The cubic root of 740340737 is about 904.6429762932.

The spelling of 740340737 in words is "seven hundred forty million, three hundred forty thousand, seven hundred thirty-seven".